Humidifier



FIG. 1 is a perspective view of a humidifier showing our new design.

FIG. 2 is a rearview thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof, the opposite side being a mirror image of that shown;

FIG. 6 is a perspective view of a second embodiment of a humidifier showing our new design;

FIG. 7 is a right side view of FIG. 6, the opposite side being a mirror image of that shown;

FIG. 8 is a top view of FIG. 6; and,

FIG. 9 is a front view of FIG. 6. 

The ornamental design for a humidifier, as shown and described. 